199908863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 260444160

約数和(自身を除く): 60535297

約数列:

[1, 7, 11, 31, 77, 89, 217, 341, 623, 941, 979, 2387, 2759, 6587, 6853, 10351, 19313, 29171, 30349, 72457, 83749, 204197, 212443, 320881, 586243, 921239, 2246167, 2596219, 6448673, 18173533, 28558409, 199908863]

約数ペア:

[(1, 199908863), (7, 28558409), (11, 18173533), (31, 6448673), (77, 2596219), (89, 2246167), (217, 921239), (341, 586243), (623, 320881), (941, 212443), (979, 204197), (2387, 83749), (2759, 72457), (6587, 30349), (6853, 29171), (10351, 19313)]